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BOSTON MARATHON 2025

Kristi Lockyer

Bib: 21519•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 46%
Division (F50-54)
#0 / 1303
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:11/mi
25:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:24/mi
51:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:17:29
↑ 67↓ 78
20K· 12.43 mi
8:26/mi
1:43:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:49:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:10:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:05/mi
2:38:45
↑ 181↓ 1480.2%
20M
9:19/mi
2:51:25
↑ 64↓ 500.2%
21M
9:33/mi
3:00:58
↑ 106↓ 241.6%
35K· 21.75 mi
9:07/mi
3:07:47
↑ 17↓ 861.7%
23M
9:26/mi
3:19:36
↑ 23↓ 630.6%
24M
9:15/mi
3:28:51
↓ 821.3%
40K· 24.85 mi
9:25/mi
3:36:54
↓ 200.3%
25.2M
10:15/mi
3:40:26
↑ 13↓ 160.2%
Finish· 26.22 mi
9:06/mi
3:49:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:25
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:00:17
Pace9:11 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5025:248:1125:24
8:11
-
10K
6.21 mi11:48:5551:298:1726:05
8:24
+0:13
15K
9.32 mi12:14:551:17:298:1926:00
8:22
-0:02
20K
12.43 mi12:41:061:43:408:2126:11
8:26
+0:04
Half
13.11 mi12:46:511:49:258:215:45
8:26
0:00
25K
15.53 mi13:07:582:10:328:2421:07
8:43
+0:17
30K
18.64 mi13:36:112:38:458:3128:13
9:05
+0:22
20M
20.00 mi13:48:512:51:258:3412:40
9:19
+0:14
21M
21.00 mi13:58:243:00:588:379:33
9:33
+0:14
35K
21.75 mi14:05:133:07:478:386:49
9:07
-0:26
23M
23.00 mi14:17:023:19:368:4111:49
9:26
+0:19
24M
24.00 mi14:26:173:28:518:429:15
9:15
-0:11
40K
24.85 mi14:34:203:36:548:448:03
9:25
+0:10
25.2M
25.20 mi14:37:523:40:268:453:32
10:15
+0:50
Finish
26.22 mi14:47:083:49:428:469:16
9:06
-1:09

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:11 /mi

Average Pace

8:46 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:32

57% of race

Time at Steady Pace

1:06:13

29% of race

Time at Slower Pace

32:57

14% of race

Average Pace: 8:46 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:22:5025:248:1125:24
8:11
#17957
10K
6.21 mi11:48:5551:298:1726:05
8:24
#18518
15K
9.32 mi12:14:551:17:298:1926:00
8:22
#18483
20K
12.43 mi12:41:061:43:408:2126:11
8:26
#18263
Half
13.11 mi12:46:511:49:258:215:45
8:26
#18285
25K
15.53 mi13:07:582:10:328:2421:07
8:43
#18286
30K
18.64 mi13:36:112:38:458:3128:13
9:05
#18244
20M
20.00 mi13:48:512:51:258:3412:40
9:19
#18238
21M
21.00 mi13:58:243:00:588:379:33
9:33
#18118
35K
21.75 mi14:05:133:07:478:386:49
9:07
#18141
23M
23.00 mi14:17:023:19:368:4111:49
9:26
#18161
24M
24.00 mi14:26:173:28:518:429:15
9:15
#18165
40K
24.85 mi14:34:203:36:548:448:03
9:25
#18170
25.2M
25.20 mi14:37:523:40:268:453:32
10:15
#18183
Finish
26.22 mi14:47:083:49:428:469:16
9:06
#18250
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi179576319631918516(Top 65%)6615(Top 54%)6615(Top 508%)
10K6.21 mi3.10 mi18518-5616627-3086627-30819170(Top 67%)6985(Top 57%)6985(Top 536%)
15K9.32 mi3.11 mi18483+356615+126615+1218516(Top 65%)6615(Top 54%)6615(Top 508%)
20K12.43 mi3.11 mi18263+2206491+1246491+12417731(Top 62%)6185(Top 51%)6185(Top 475%)
Half13.11 mi0.68 mi18285-226509-186509-1818784(Top 66%)6778(Top 55%)6778(Top 520%)
25K15.53 mi2.42 mi18286-16520-116520-1118460(Top 65%)6683(Top 55%)6683(Top 513%)
30K18.64 mi3.11 mi18244+426528-86528-818108(Top 64%)6639(Top 54%)6639(Top 510%)
20M20.00 mi1.36 mi18238+66553-256553-2518400(Top 65%)6949(Top 57%)6949(Top 533%)
21M21.00 mi1.00 mi18118+1206502+516502+5116337(Top 58%)5896(Top 48%)5896(Top 452%)
35K21.75 mi0.75 mi18141-236533-316533-3118793(Top 66%)7344(Top 60%)7344(Top 564%)
23M23.00 mi1.25 mi18161-206580-476580-4718419(Top 65%)7193(Top 59%)7193(Top 552%)
24M24.00 mi1.00 mi18165-46607-276607-2718598(Top 65%)7339(Top 60%)7339(Top 563%)
40K24.85 mi0.85 mi18170-56641-346641-3418361(Top 65%)7310(Top 60%)7310(Top 561%)
25.2M25.20 mi0.35 mi18183-136660-196660-1918131(Top 64%)7206(Top 59%)7206(Top 553%)
Finish26.22 mi1.02 mi18250-676716-566716-5619506(Top 69%)7864(Top 64%)7864(Top 604%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18516

Females

6615

F50-54

6615

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

19170

Females

6985

F50-54

6985

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18516

Females

6615

F50-54

6615

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17731

Females

6185

F50-54

6185

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18784

Females

6778

F50-54

6778

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18460

Females

6683

F50-54

6683

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18108

Females

6639

F50-54

6639

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18400

Females

6949

F50-54

6949

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16337

Females

5896

F50-54

5896

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18793

Females

7344

F50-54

7344

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18419

Females

7193

F50-54

7193

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18598

Females

7339

F50-54

7339

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18361

Females

7310

F50-54

7310

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18131

Females

7206

F50-54

7206

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19506

Females

7864

F50-54

7864

Passing Analysis

Category:
Athletes Passed
1721
Passed By
2014
Net Change
-293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17957
5K → 10K104665-561#17957#18518
10K → 15K201166+35#18518#18483
15K → 20K30686+220#18483#18263
20K → Half2951-22#18263#18285
Half → 25K170171-1#18285#18286
25K → 30K259217+42#18286#18244
30K → 20M129123+6#18244#18238
20M → 21M16747+120#18238#18118
21M → 35K5275-23#18118#18141
35K → 23M97117-20#18141#18161
23M → 24M7781-4#18161#18165
24M → 40K6570-5#18165#18170
40K → 25.2M2437-13#18170#18183
25.2M → Finish41108-67#18183#18250
TOTALS17212014-293
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing